Before these changes the request had to be marked as written in order to
interpret incoming responses as belonging to that request. On fast
networks however, like on localhost and underload the responses might
arrive before the write operation completed.

…ss-all-the-requests

Accepts as valid responses to staged requests.

In-tree cmake builds instead of FindBoost.

…certificate-for-ssl-connections

Adds missing ssl-context getters.

…certificate-for-ssl-connections

Provides a way of passing a custom ssl context to the connection.